How do you explain this /sci ?

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How do you explain this /sci ?

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>>7847898

the square root of 1 is not only 1, but also -1. so there's no contradictory in the last equality

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>>7847898

you forgot the +-

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https://www.physicsforums.com/insights/things-can-go-wrong-complex-numbers/

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>>7847898

You can bot fo from phase 3 to 4 while not in the Real Numbers field.

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[math]\sqrt{-1}[/math] is not defined, that's the problem.

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>>7847911

Even if it's bait, chances are that someone's going to follow the link and learn something new.

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>>7847906

The typical "what are math" response.

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>>7847919

no, and you know that.

don't forget to sage. This doesn't deserve to be on the first page.

thank you for your help cleaning this board.

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>>7847915

This.

>Amerilards will disagree

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>sqrt(-1)

-1*-1 = 1

-1*1 = -1 != sqrt(-1)

1*1 = 1 != sqrt(-1)

>sqrt(-1)*sqrt(-1)

>1 * 1/-1 * -1/1 * -1

It just can't be done. Fuck off.

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sqrt((-1)*(-1)) != sqrt(-1)*sqrt(-1)

That's like in the first 4 weeks of calc1. With the whole math major superiority around here i'd expect this to be the answer.

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something something illegal move.

sqrt(-1) times sqrt(-1) =/= sqrt((-1)(-1))

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